The Trail de la Grande Ferme begins and ends at 1 Rue Henri Duverdin in Soindres, a village in the Yvelines region west of Paris. This is a morning trail race offering two route options: 12 km with 185 metres of elevation gain, or 29 km with 570 metres of elevation gain. The race starts at 9:00 AM, preceded by a group warm-up at 8:30 AM featuring music from the Moving Club de Mantes.
The event marks its ninth edition and is registered on the French Athletics Federation calendar. Runners aged 16 and older may enter the 12 km race, and those 18 and older may enter the 29 km race. The total number of participants for both races is limited to 450. The 12 km route includes an aid station at the halfway point and another at the finish. The 29 km route has aid stations positioned around the 7 km, 15 km marks, and at the finish. These aid stations are known for offering local, homemade items, including cakes.